Finding the Fourth Proportional to 12,176,684.68, 16,797,454 and 7,528,984.05
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Solution
The fourth proportional to 12,176,684.68, 16,797,454 and 7,528,984.05 is: 10,386,058.81
Step by Step Solution
- Step 1: Write the proportion equation
12,176,684.68 : 16,797,454 = 7,528,984.05 : x - Step 2: Convert to fraction form
12,176,684.68/16,797,454 = 7,528,984.05/x - Step 3: Cross multiply
12,176,684.68x = 16,797,454 × 7,528,984.05 - Step 4: Simplify right side
12,176,684.68x = 126,467,763,246,608.70 - Step 5: Solve for x
x = 126,467,763,246,608.70/12,176,684.68 - Step 6: Final answer
x = 10,386,058.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.